Re: [PATCH 1/2] mm: export find_extend_vma and handle_mm_fault for driver use

[Joerg Roedel]

On Thu, Nov 06, 2014 at 10:51:02AM +0200, Oded Gabbay wrote:
> Joerg, sorry for the dumb question but what do you mean by "task
> accounting for page-faults"? Where is that code in IOMMUv2 driver
> now?

Linux counts major and minor page-faults for each running task. For the
IOMMUv2 driver this was done in the get_user_pages function, at least
until I changed the task parameter to NULL. Currently there is no
accounting for that in the IOMMUv2 driver.


	Joerg

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